hammerhead: Enable QCOM bionic optimization

Change-Id: I47cfe28c2d04c1ff5903958624583d70e84ca979
hammerhead: Enable triple buffering

Change-Id: I4a73260f35e8846ae2d68639c5b87481a827faf2
hammerhead: Audio update

* Enable the compander for increased dynamic range on
  headphones and speaker output
* Increase headphone gain
* Build tinymix

Change-Id: I78c317d91fe633907873b412d0f1e3e3b9da8ad1